Gandak Barrage Discharge: Chief Minister Aerial Survey of Flood Zones
Why It Matters
North Bihar's recurrent flooding is primarily driven by rivers like the Gandak, Kosi, and Bagmati that originate in Nepal. Understanding this transboundary river system, the role of barrages like Valmikinagar, and flood disaster mitigation is a staple for BPSC Prelims and Mains exams.



